As of 2016, Aon Hewitt gets generally low satisfaction ratings from customers. Yelp reviews for the Illinois headquarters are generally negative, with an average rating of one star. A Yellow Pages review for the same office also gives a one star rating, with the reviewer complaining of receiving wrong information.
Yelp reviewers for Illinois-based Aon Hewitt generally give a one or two star rating to the company. Some customers complain of call centers with long hold times and representatives that are poorly trained. Others mention issues with payments not being received or problems with simple administrative procedures. A reviewer is unhappy about the unprofessional manner of some of the staff.